Chip-On-Valve Concept: An Integrated Platform for Multisyringe Flow Injection Analysis: Application to Nitrite and Nitrate Determination in Seawater

Burkhard Horstkotte, Carlos Duarte, Víctor Cerdà*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A state-of-the-art flow lab-on-a-valve technique is reported incorporating integration of flow devices such as reaction and mixing serpentine coils and confluences into a monolith flow circuit mounted directly on an eight-port selection valve. The potential of the flow circuit manifold or chip-on-valve in combination with multisyringe flow injection analysis is demonstrated by the application to the successful determination of nitrite and nitrate in seawater. Characteristics and further potential of chip-on-valve are discussed. Due to preparation and fabrication by use of computer aided design, this chip design shows great potential for the automation of sophisticated flow networks in compact and robust flow circuits.

Original languageEnglish (US)
Pages (from-to)2345-2358
Number of pages14
JournalAnalytical Letters
Volume46
Issue number15
DOIs
StatePublished - Oct 1 2013

Keywords

  • Chip-on-valve
  • Microconduit chip
  • Multisyringe flow injection analysis
  • Nitrate
  • Nitrite
  • Seawater

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Spectroscopy
  • Clinical Biochemistry
  • Biochemistry, medical
  • Electrochemistry

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